Best Grants for 501(c)(3) in District of Columbia

The Kars4Kids Small Grant Program aims to support educational initiatives globally, impacting the lives of children. This program welcomes applications from IRS-recognized nonprofit organizations focused on youth development, mentorship, and education. Grants typically range from $500 to $2,000, depending on mission alignment and available funds. Kars4Kids, a national Jewish nonprofit, is dedicated to nurturing productive community members through educational and mentoring opportunities.

The IAF Research Fellowship Program, administered by the Social Science Research Council, aims to support rigorous research on community-led development in Latin America and the Caribbean. The fellowship provides a $20,000 stipend for twelve months, fostering innovative solutions to pressing issues such as economic opportunity, migration, and social inclusion. Researchers are encouraged to explore how community-led models can create lasting impacts and respond to global trends, enhancing local resilience and development.

The NIDDK Disease Research and Translational Core Centers (P30 Clinical Trial Optional) program invites applications to support innovative biomedical research focused on cystic fibrosis, diabetes, and other chronic diseases. These centers foster collaboration, provide essential resources, and mentor early-stage investigators, enhancing the research landscape. Funding will support pilot programs and access to shared services, ensuring efficient use of resources while promoting a robust scientific community dedicated to advancing health outcomes.

The 2026 Vilcek Prizes for Creative Promise in Biomedical Science will award three $50,000 prizes to exceptional young immigrant scientists in the U.S. This prestigious prize recognizes innovative research contributions in biomedical science. Eligible candidates must be under 38 years old, hold a doctoral degree, and have made significant achievements in their field. The Vilcek Foundation aims to highlight the impact of immigrant scientists on the advancement of biomedical research, fostering diversity and excellence.

About Us

Our team is working tirelessly to heal the planet and ensure that a just and livable future prevails.

With three decades of clean energy industry experience, our leadership team draws upon a long track record of environmental stewardship and meaningful throughput to confidently navigate today's unprecedented challenges.

We are teaming up with local philanthropists, nonprofit organizations, advocates and elected officials to implement effective solutions towards stopping the climate crisis.

Solar Moonshot Program Grant

The Solar Moonshot Program is helping nonprofit organizations across the United States afford the switch to clean energy.

Grants up to $25,000 are typically awarded, with grant amounts dependent on various factors, including the organization’s need for funding. 

In addition to grants given through the program, we also offer short-term, low-interest recoverable grants to help cover the project costs offset by the Investment Tax Credit.

Grants for 2026 are made possible by the BQuest Foundation and two anonymous donors, and the program is managed by Hammond Climate Solutions Foundation. Learn more about the program's status and participants below! 

Every Kindness is a Gift

Dollar Tree Gift Card Program 2026

Every Kindness is a Gift is a gift card grant program made possible through the generosity of Dollar Tree and managed by the team here at Gift Card Bank. We are a nonprofit organization that specializes in the distribution of gift cards and our mission is to improve well-being and build financial stability by supporting people through their time of need.

Through Every Kindness is a Gift, nonprofit organizations and Title I schools located in the 48 contiguous states may apply to receive a grant of Dollar Tree gift cards.

Gift cards received through these grants are meant to be distributed directly to individuals and families in need. A primary goal of the program is to give gift card recipients the dignity of choice by empowering them to shop for what they need themselves. By putting gift cards directly in the hands of our neighbors in need, we are able to increase access to essentials like food, school supplies, paper products, cleaning products, and hygiene items.

In 2026, there will be two rounds of grant distributions. In each round, we will award a number of grants between $2,500 and $10,000.

Round One is a summer distribution. Gift cards awarded in Round One will arrive in late June, while kids are on break and back-to-school is around the corner. Round Two is a holiday distribution. Gift cards awarded in Round Two will arrive in early November, as the end-of-year holidays approach.

We know that these are times of year when budgets are tight. Through these gift card grants, we hope to connect individuals and families directly to the essential resources they need during difficult months.

The Lynde and Harry Bradley Foundation Grant supports organizations dedicated to preserving American exceptionalism through a commitment to individual liberty, free markets, and civic responsibility. It prioritizes proposals from 501(c)(3) organizations that promote informed citizenship and strong communities. With ongoing acceptance of Letters of Inquiry, the Foundation seeks to empower initiatives that align with its principles of limited government and the rule of law, fostering a rich community culture.

The Brower Youth Awards for Environmental Leadership honors young leaders aged 13 to 22 in North America who excel in environmental initiatives. Awardees receive a $3,000 cash prize, training, and networking opportunities to enhance their impact. This prestigious program fosters youth leadership and amplifies diverse voices within the environmental movement, encouraging innovative solutions to pressing ecological challenges. Over the past 25 years, the awards have celebrated over 100 emerging leaders dedicated to making a difference in their communities.

About Us

The Youth Climate Justice Fund aims to support climate justice young leaders with trust-based funding, resources, and capacity strengthening, enabling them to amplify their voices and to keep their vision and influence alive.

Collectively, we have the power to ignite meaningful change and build equitable and sustainable futures. Despite the challenges posed by the current crisis, youth climate justice organizers remain determined to address current issues and explore new approaches.

Mission & Purpose

We work to strengthen existing organizing efforts and support emerging youth-led initiatives with a focus on bridging funders and organizers to enable flexible and impactful support. Through capacity strengthening and resource sharing, we empower and support young people to drive change and build a just and sustainable future.

How To Apply

The Youth Climate Justice Fund provides funding to emerging youth-led climate justice and socio-environmental groups through a participatory decision-making process.

The AWWA Scholarship Program offers the GFT Forces of Change Scholarship, providing $5,000 to undergraduate or graduate engineering students passionate about advancing the water industry. This scholarship underscores AWWA's commitment to nurturing future professionals who will tackle critical infrastructure challenges. By investing in education, AWWA aims to empower the next generation to innovate and lead in water supply solutions. This initiative highlights the importance of skilled engineers in shaping a sustainable future.

The AAAAI Travel Scholarship supports eligible professionals to attend the AAAAI Annual Meeting in Philadelphia from February 27 to March 2, 2026. This event features plenary sessions, workshops, and presentations on current research in allergy and immunology. The scholarship not only provides financial assistance but also fosters opportunities for networking and collaboration among attendees, enhancing their knowledge and experience in the field.

This funding opportunity from the Patient-Centered Outcomes Research Institute aims to enhance health decision-making through comparative clinical effectiveness research, focusing on critical areas such as cancer, maternal health, and mental health. The initiative encourages robust observational studies that utilize existing data to derive patient-centered insights. Applications must address specific themes approved by PCORI and demonstrate potential benefits to the U.S. healthcare system, thus ensuring relevance and stakeholder engagement in research efforts.

The 15 and the Mahomies Foundation Grants aim to enhance the lives of children by supporting health, wellness, and community initiatives. This private foundation seeks to fund 501(c)(3) non-profit organizations, focusing on charitable causes. Grant requests are reviewed quarterly, and applicants must meet eligibility criteria. However, the foundation does not accept applications from individuals or for non-charitable items such as autographs or game tickets.

The AAAAI Mentorship Award honors dedicated mentors who significantly impact the careers of trainees and colleagues in the field of allergy and immunology. By supporting and guiding more than one mentee, awardees embody the core values of the American Academy of Allergy, Asthma & Immunology. This prestigious recognition highlights the importance of mentorship in fostering professional growth and advancing the specialty, benefiting both individuals and the broader medical community.

The Alzheimer's Disease Programs Initiative (ADPI) aims to foster the development of dementia-capable community health worker programs within the National Aging Network. This initiative, supported by the US HHS: Administration for Community Living (ACL), seeks to enhance dementia screening, reduce barriers to care, and improve access to essential services for individuals with dementia and their caregivers. By integrating community health workers into aging services, the program aspires to elevate the quality of life for those affected.

The Dr. Bruce D. J. Batt Fellowship in Waterfowl Conservation honors the legacy of Dr. Bruce Batt, a leading figure in waterfowl research. This fellowship offers up to $5,000 annually to graduate students at North American universities conducting vital research on waterfowl and wetlands. Renewable for up to two additional years for PhD students, the fellowship promotes the integration of sound science in conservation efforts, supporting the next generation of waterfowl professionals.

The HIV Prevention and Alcohol R61/R33 funding opportunity aims to advance innovative HIV prevention strategies through a phased research approach. The R61 phase focuses on developing and pilot testing interventions, addressing key implementation questions for diverse populations. Following successful milestones, the R33 phase expands testing of these interventions and explores their effectiveness and sustainability, particularly in relation to alcohol use and related health issues.

The Robert Silman Award, presented biennially by the James Marston Fitch Charitable Foundation, recognizes innovative proposals in the preservation, restoration, or adaptive reuse of the built environment. Open to professionals in various design fields, the award encourages originality and practical applications that advance preservation in the U.S. With a funding limit of $15,000, it seeks projects that demonstrate a clear plan for dissemination and positive community impact, especially for underrepresented groups.

The Confluence Grant Program, initiated by the Conservation Alliance in 2021, aims to strengthen partnerships with historically racially excluded groups. It awards four grants of $100,000 over two years to support projects that protect or restore natural places. The program emphasizes building meaningful relationships and sharing resources, ensuring that funded projects center on solutions led by impacted communities. By fostering collaboration and addressing funding gaps, the program enhances the conservation landscape for diverse voices.

The H. Hovnanian Family Foundation Grant supports the Armenian community in Armenia and the U.S., focusing on Monmouth and Ocean Counties, New Jersey. The Foundation prioritizes education, healthcare, arts, and youth development through grants to registered non-profits. Proposals should demonstrate sustainability and community impact, with favorable consideration given to projects that engage local stakeholders and foster collaboration. Applications are accepted year-round, with a maximum funding limit of $10,000 for operational expenses.

The WaterSMART Cooperative Watershed Management Program offers funding to eligible entities for developing local solutions to water management issues. This initiative supports watershed group development, restoration planning, and project design, promoting stakeholder cooperation and improving water reliability. It aligns with key priorities from the Trump administration, addressing complex water challenges and enhancing federal grant oversight. By facilitating these efforts, the program aims to stretch limited water resources and foster collaborative solutions among diverse stakeholders.

The St. Mary's Bank Charitable Foundation 1908 Funds Grants provide financial support to nonprofit organizations in New Hampshire, focusing on community development and services. Established to uphold St. Mary’s Bank's commitment to social responsibility, these grants, ranging from $500 to $5,000, aim to foster financial independence and address issues like homelessness, youth support, and civic engagement. The Foundation prioritizes projects that benefit local communities and promote long-term sustainability.

The US Dept. of Health & Human Services, through the Eunice Kennedy Shriver National Institute of Child Health and Human Development, is set to announce a funding opportunity focused on HIV research for pediatric and maternal populations. This initiative aims to foster innovative clinical trials addressing critical research areas in HIV, inviting collaborations from experts in various fields. Applications are not currently solicited, but potential applicants are encouraged to prepare for this opportunity.

The Carl and Marilynn Thoma Foundation offers Special Project Funding to support innovative initiatives in the arts, particularly in under-resourced areas. This grant encourages collaborative projects that enhance community engagement and education, focusing on art exhibitions and scholarships in the greater Texas Panhandle. By fostering leadership and creativity, the Foundation aims to empower individuals and organizations to make a lasting impact in the fields of art and art history.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5433 - Optimizing Membrane Biofouling Control in Potable Water Reuse Treatment Trains

Grant Information

Main Objective: Evaluate alternative biofouling control chemicals and operational strategies to optimize performance across the potable reuse treatment train while maintaining treatment performance and finished-water quality. Supporting objectives include:

• Identify and assess alternative biofouling control chemicals and operational strategies that can reduce membrane fouling and differential pressure, reduce cleaning frequencies, minimize degradation of ultraviolet transmittance (UVT), and reduce lifecycle cost.
• Evaluate treatment-train performance impacts, including effects on membrane system performance, membrane lifespan, UVT, and ultraviolet advanced oxidation processes (UV-AOP) performance and energy demand, finished-water quality, and concentrate management.
• Quantify lifecycle benefits and tradeoffs associated with selected strategies, including energy and chemical consumption, membrane replacement and cleaning frequency, monitoring and reporting requirements, operator safety and chemical handling, environmental considerations, and capital/operating and maintenance costs.

NAFC Open Grant/Product Donation Applications

The National Association of Free and Charitable Clinics (NAFC) is the only nonprofit 501c(3) organization whose mission is solely focused on the issues and needs of the medically underserved throughout the nation and the more than 1,400 Free and Charitable Clinics that serve them. The NAFC has earned the Platinum Seal of Transparency from GuideStar and a 4-Star rating from Charity Navigator. Founded in 2001 and headquartered near Washington, D.C., the NAFC is working to ensure that the medically underserved have access to affordable quality healthcare and strives to be a national voice promoting quality healthcare for all. For more information about the NAFC, including how to become a member, please visit https://www.nafcclinics.org.

Breast Cancer Screening & Prevention Initiative

The Breast Cancer Screening & Prevention Initiative, supported by the McKesson Foundation and administered by the NAFC, aims to expand access to lifesaving breast cancer screening and prevention services for uninsured and medically underserved. Through this initiative, the NAFC will provide $30,000 grants to members to establish or strengthen breast cancer screening programs in alignment with evidence-based guidelines from the U.S. Preventive Services Task Force and the American Cancer Society. Funding will support activities such as improving patient identification and referral systems, increasing access to mammography services through partnerships or mobile units, strengthening staffing and technology capacity, and providing patient education and case management to ensure follow-through with recommended screenings. By enhancing early detection and preventive care, the initiative seeks to reduce barriers to care and improve health outcomes for women who might otherwise go without critical cancer screening services.

The HEAL Initiative aims to identify new druggable targets for pain within the understudied proteome. This funding opportunity invites applications for pilot projects that generate preliminary data and tools for exploring these targets. The initiative seeks to enhance research on understudied proteins related to pain management, providing essential funding for biochemical and biological work. This NOFO is part of the NIH's broader effort to develop novel medications that address various aspects of opioid addiction and its consequences.